[Boatanchors] Euro sub for 1R5/1L6

eugene at hertzmail.com eugene at hertzmail.com
Mon Mar 2 12:59:57 EST 2009


The article on substitutions notes that the different current
requirements of the 1U6 makes it not a direct sub, but I think a
resistor in parallel will help that. Article is very interesting! 

-----Original Message-----
From: boatanchors-bounces at mailman.qth.net
[mailto:boatanchors-bounces at mailman.qth.net] On Behalf Of Sandy
Sent: Monday, March 02, 2009 12:51 PM
To: Carl; meils at get2net.dk; boatanchors at mailman.qth.net
Subject: Re: [Boatanchors] Euro sub for 1R5/1L6

Another possible "sub" may be the 1U6.  I have never seen one though!

An EXACT substitution (except for size!) would be a 1LA6.  How does one
make 
an adapter for such a "sub"?  (Maybe with a loctal socket and a Pomona
test 
point 7 pin adapter much modified?  I'd bet there are some 1LA6's around

unless these are rare too!

73,

Sandy W5TVW

----- Original Message ----- 
From: "Carl" <km1h at jeremy.mv.com>
To: <meils at get2net.dk>; <boatanchors at mailman.qth.net>
Sent: Monday, March 02, 2009 10:55 AM
Subject: Re: [Boatanchors] Euro sub for 1R5/1L6


> The DK-91 is the same as the 1R5 Henry.
>
> The DK-96 may be a 1L6 substitute possibility with pins 5 & 6 reversed
> however there are different interelectrode capacitance differences.
Id
> have to dig out a TO schematic to see if they are critical.
>
> Carl
> KM1H
>
> ----- Original Message ----- 
> From: <meils at get2net.dk>
> To: <boatanchors at mailman.qth.net>
> Sent: Monday, March 02, 2009 3:57 AM
> Subject: [Boatanchors] Euro sub for 1R5/1LS
>
>
>
>
> I checked my file-diagrams & notes and can see in a
> magazine article about the Zenith Transoceanic that 1R5 was used for
> replacement for the more scarce 1L6 - some modifications had to be
made
> on
> the 1R5 pins.
>
> My replacement is either the DK91 and DK96 but
> will have to check further as to which replaces 1L6 and 1R5,
> respectively. If I recall correctly, I used a DK96.
>
> Henry
> /OZ1UF - Copen.
>
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